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Finding the Fourth Proportional to 349,969.66, 525,038.10 and 113,312.59

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Solution

The fourth proportional to 349,969.66, 525,038.10 and 113,312.59 is: 169,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,969.66 : 525,038.10 = 113,312.59 : x
  2. Step 2: Convert to fraction form
    349,969.66/525,038.10 = 113,312.59/x
  3. Step 3: Cross multiply
    349,969.66x = 525,038.10 × 113,312.59
  4. Step 4: Simplify right side
    349,969.66x = 59,493,426,959.68
  5. Step 5: Solve for x
    x = 59,493,426,959.68/349,969.66
  6. Step 6: Final answer
    x = 169,995.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.